How to install Munin Network Monitoring

To install Munin Network Monitoring

In this article we will discuss about how to install Munin Network Monitoring in RHEL, CentOS and Fedora using EPEL repositories with Yum tool. Munin is a network monitoring open source web based application. It is written in Perl. It is used to display network and systems output using RRDtool. It helps to monitor performance of systems, networks and applications.

Before starting the munin installation, Apache server should be pre-installed on your system.

To Install Munin

Follow the commands below for the installation of Munin Network Monitoring in RHEL, CentOS & Fedora.

To Install EPEL Repository

Switch to root user to install it using wget.

On RHEL/CentOS 6

\[root@linuxhelp Desktop\]# wget http://epel.mirror.srv.co.ge//epel-release-latest-6.noarch.rpm 
\[root@linuxhelp Desktop\]# rpm  -ivh  epel-release-latest-6.noarch.rpm

On RHEL/CentOS 5

\[root@linuxhelp Desktop\]# wget http://epel.mirror.srv.co.ge//epel-release-latest-5.noarch.rpm 
\[root@linuxhelp Desktop\]# rpm -ivh epel-release-latest-5.noarch.rpm

In fedora EPEL installation is not required. Simply, install Munin using yum command.

To Install Munin

Run the following command as root user.

\[root@linuxhelp Desktop\]# yum --enablerepo=epel -y install munin munin-node
/etc/munin/munin.conf : Munin master configuration file.
/etc/munin/plugins.conf : Munin plugins configuration file.
/etc/cron.d/munin : Munin cron file.
/etc/munin/munin-node.conf : Munin Node master configuration file.
/etc/httpd/conf.d/munin.conf : Munin Apache configuration file.
/etc/rc.d/init.d/munin-node : Munin start-up service daemon.
/var/log/munin : Munin log directory.
/var/www/munin : Munin web directory.

To Configure Munin

Add the lines of code in the /etc/httpd/conf/httpd.conf file as shown below.

Alias /munin /var/www/munin

< directory/var/www/munin> 

    Options FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all

< /directory> 

To Restart Apache

\# /etc/init.d/httpd restart
# chkconfig --levels 235 munin-node on
# /etc/init.d/munin-node start

To Access Munin Web Interface

Munin displays the graphs within 30 minutes to 1hr. Open your browser and navigate to http://192.168.5.75/munin.

You need to replace your IP address in the above URL